unpack sequence to tuple?

[John Nielsen]

>
> Unfortunately, tuples and lists cannot be concatenated, which
> is why we need to cast the sequence into a definite form here --
> choosing list would of course work just as well:
>
> def padSequence(seq, length):
>     return (list(seq)+[None]*length)[:length]
>

Or you could just use extend. which may be a little clearer.

def padSequence(seq, length):
    a=list(seq)
    a.extend(list((None,)*length))
    return a[:length]

john


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